An alleged Bloods gang member appears to stand up in class and force his teacher to stop writing on an interactive board in blue pen, in a video posted online – apparently because it is the color of their arch-rivals the Crips.

High School Members Of The BLOODS GANG . . . Interrupt MATH TEACHER During Lesson . . . Force Him To ERASE All The BLUE NUMBERS On The BOARD . . . And Change Them To RED!! (SMH)